Top portion of a motor vehicle



FIG. 1 is a right, front perspective view of a top portion of a motor vehicle showing our new design;

FIG. 2 is a left, front perspective view thereof;

FIG. 3 is a left, rear perspective view thereof;

FIG. 4 is a right, rear perspective view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a right side elevational view thereof; and,

FIG. 9 is a top plan view thereof.

The broken lines shown throughout the drawings views are for environmental and illustrative purposes representing boundaries that form no part of the claimed design. 

CLAIM The ornamental design for a top portion of a motor vehicle, as shown and described. 